Basically all you need is some good apple juice, yeast and something to feed the yeast, like raisins boiled in some water to soften them. Crush the boiled softened raisins or process them a blender and add them to your apple juice then add your yeast. The raisins add nutrients that the yeast need that the apple juice does not have.
For five gallons of apple juice I use about 2 cups of golden raisins softened in a cup of water. Works well and keeps the yeasties active.
So, you use raisins instead of sugar?
I will be using cider, BTW, and not apple juice.